assertNotNull(indexer.setTagFieldNames(new String[] { "tag1", "tag2" }));
        assertNotNull(indexer.setRoleFieldName("role"));
        assertNotNull(indexer.setReadingConverter(null));
        assertNotNull(indexer.setNormalizer(null));
        assertNotNull(indexer.setAnalyzer(null));
        assertNotNull(indexer.setContentsParser(null));
        assertNotNull(indexer.setSuggestWriter(null));
    }

    @Test

 *   <li>{@link #settings()}: Returns the SuggestSettings instance.</li>
 *   <li>{@link #getReadingConverter()}: Returns the ReadingConverter instance.</li>
 *   <li>{@link #getNormalizer()}: Returns the Normalizer instance.</li>
 *   <li>{@link #getIndex()}: Returns the index name.</li>
 *   <li>{@link #getAllWordsNum()}: Returns the total number of words in the suggestion index.</li>

    }

    @Test
    public void test_getNormalizer_returnsNonNull() throws Exception {
        Suggester suggester = createSuggester();

        assertNotNull("Normalizer should not be null", suggester.getNormalizer());
    }

    @Test
    public void test_indexer_returnsNonNull() throws Exception {
        Suggester suggester = createSuggester();